- grip, traction, adhesive friction - the friction between a body and the surface on which it moves (as between an automobile tire and the road)
--1 is a kind of friction, rubbing
- traction - (orthopedics) the act of pulling on a bone or limb (as in a fracture) to relieve pressure or align parts in a special way during healing; "his leg was in traction for several days"
--2 is a kind of pull, pulling